Senior Software Engineer II
SumUp
Becoming a part of the Brazil Engineering team (BR Market) means helping solve our small merchant’s problems on your daily routine and helping shape the future of our products in the Brazilian market.
As a Senior Backend Engineer, you will be responsible for optimizing backend performance for transaction processing, implementing robust security measures, designing scalable architectures, creating user-friendly APIs with clear documentation, and emphasizing code quality through automated testing. We encourage the exploration of new languages and services, empowering our teams to choose the best technology for new projects. Currently, our team is using Golang, Kubernetes, Terraform, Kafka, gRPC, REST APIs, PostgreSQL and multiple AWS services.
This is a hybrid work position (3x a week at our office in Pinheiros) because we truly believe in the power of collaboration and in-person interactions to foster a sense of belonging and support our Founder’s Mentality.
What you’ll do
Work in a challenging and dynamic environment to redesign architectural systems;
Modernize legacy services in a limited documentation and addressing regulatory compliance;
Apply code refactoring, improving observability and tackling technical debt while simplifying the architecture;
Scale the receivables product into a plug-and-play payment service;
Act as the technical expert for the squad;
Lead and mentor team members, offering leadership development opportunities;
Contribute to the Payments Tribe's technical growth;
You’ll be great for this role if you have:
Advanced software engineering expertise (code design, quality, automated testing, CI / CD management, performance optimization, resilience, and architecture);
Ability and availability to learn and ramp in different languages (such as Golang);
Deep understanding of relational databases (SQL), including query optimization;
Experience with AWS cloud services;
Proven ability to deliver architectural improvements;
Experience leading small-to-medium technical projects across squad boundaries;
Any of the following would be considered a plus
Experience with NoSQL databases (e.g., DocumentDB);
Previous experience as a Tech Lead;
Background in payment providers and receivables integrations;
Proficieny in Golang;
Why you should join SumUp
Career Growth: Join a truly global team and work on large-scale fintech products used by millions of businesses worldwide, with ample opportunities for professional development and upward mobility,
Learning & Development: We offer an annual Learning & Development budget of R$ 10,000, which you can use for conferences, certifications, and further education to enhance your skills,
Extended Time Off: After 3 years at SumUp, you’ll receive an additional 30 days off through our Break4Me program, on top of your regular vacation period,
English Classes: Improve your language skills with our English classes, provided through The English Academy,
Equity: Participate in SumUp’s virtual stock ownership program, gaining a stake in our future success,
Global Experience: Join our global off-sites, hackathons, and events, and collaborate with a diverse team of 3,000+ people from over 90 countries,
Referral Bonus: Earn a bonus when you help us grow by successfully referring top talent to our team,
Comprehensive Benefits: We care deeply about our team’s well-being and offer a range of benefits, including health plans, meal vouchers (VR), Zenclub, Gympass, life insurance, a pension plan, childcare allowance, and more.
About SumUp
We believe in the everyday hero.
Small business owners are at the heart of all we do, so we create powerful, easy-to-use financial solutions to help them run their businesses. With a founder’s mentality and a 'team-first’ attitude, our diverse teams across Europe, South America and the United States work together to ensure that the small business owners we partner with can be successful doing what they love.
SumUp is an Equal Employment Opportunity employer, committed to fostering a diverse and inclusive workforce. We strictly prohibit discrimination based on race, color, religion, national origin, gender, sexual orientation, age, disability, or any other protected characteristic.
For more insight into SumUp’s culture:
Job Application Tip
We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.